2013
DOI: 10.1670/10-198
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A Comparison among Sexual Signals in Courtship of European Tortoises

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Cited by 13 publications
(12 citation statements)
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“…This kind of bias could lead to an underestimation of the trophic niche width of morphs, but it is unlikely to affect the differences among their niches. For each individual we recorded date, site, sex, snout–vent length (SVL), and morph coded as white, yellow or red according to throat and belly coloration (Sacchi et al ., , b). All the lizards were released at the capture site after measuring and after being marked with dorsal paintings; they were also photographed for individual recognition during the short period to avoid pseudoreplication (Sacchi et al ., ).…”
Section: Methodsmentioning
confidence: 99%
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“…This kind of bias could lead to an underestimation of the trophic niche width of morphs, but it is unlikely to affect the differences among their niches. For each individual we recorded date, site, sex, snout–vent length (SVL), and morph coded as white, yellow or red according to throat and belly coloration (Sacchi et al ., , b). All the lizards were released at the capture site after measuring and after being marked with dorsal paintings; they were also photographed for individual recognition during the short period to avoid pseudoreplication (Sacchi et al ., ).…”
Section: Methodsmentioning
confidence: 99%
“…Habitats are disposed in a ranking matrix that orders them from the most to the least preferred. Compositional analysis, however, has also been used to investigate components other than habitats, such as prey or behavioural displays (Aebischer et al ., ; Sacchi et al ., , b). A further application of compositional analysis is when investigators are interested in the relative differences occurring in one species with respect to another.…”
Section: Methodsmentioning
confidence: 99%
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“…The Hermann's tortoise (Testudo hermanni) is a medium-sized Mediterranean species that comprises 3 subspecies, one (e.g., Testudo hermanni boettgeri) is locally abundant in the eastern part of its distribution range (Bertolero et al 2011). This species exhibits typical tortoise sexual behaviors: Males display a repertoire of behaviors (e.g., head bobbing, biting) to court and (often forcibly) mount females (Hailey 1990;Sacchi et al 2013). During copulation, they produce characteristic high pitch vocalizations (Galeotti et al 2007).…”
Section: Studied Speciesmentioning
confidence: 99%
“…Rainfall gradients indicate that primary production is higher in the eastern than in the southern and northwestern regions (Schulze, 1997). If a higher primary production implicates a denser habitat, the size and shape of P. oculifer in the eastern region may allow them to manoeuvre better through their habitat, as was found for European tortoises, where a smaller size holds advantages in denser vegetation (Sacchi et al, 2013). Nevertheless, behavioural modifications may also assist in the traversing of dense vegetation (see Golubović et al, 2013).…”
Section: Geographic Variationmentioning
confidence: 95%